<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8" />
  <script>
    var a = 123;
    console.log(a);
  </script>
  <title>test</title>
  <style>
    .test {
      background: red;
    }
  </style>
</head>
<body>
</body>
</html>
